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(11)

EP 2 406 917 A1

(12)

(43) Date of publication: 18.01.2012 Bulletin 2012/03 (21) Application number: 10713054.4 (22) Date of filing: 05.03.2010

(51) International Patent Classification (IPC):  H04L 12/18(2006.01) H04L 12/58(2006.01) (86) International application number: PCT/US2010/026446 (87) International publication number: WO 2010/104764 (16.09.2010 Gazette 2010/37)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 09.03.2009 US 158693 P 05.06.2009 US 479606 (71) Applicant: Apple Inc. Cupertino, CA 95014 (US)	(72) Inventors: BELL, Kris, M. Cupertino CA 95014 (US) BLEAU, Darryl, N. Cupertino CA 95014 (US) DAVEY, Jeffery, T. Cupertino CA 95014 (US) (74) Representative: Barnfather, Karl Jon  Whithers & Rogers LLP Goldings House 2 Hays Lane London SE1 2HW London SE1 2HW (GB)